An organism that breaks down droppings or dead organisms

A scientist who studies ecosystems

A community of organisms together with its environment

A diagram that shows what eats what in an ecosystem

Something taken in by plants and animals that helps them grow

a living thing, such as a plant or an animal

the process of returning something to its original condition by fixing or repairing it

a mixture of rocks, water, air, parts of dead organisms, and tiny living organisms